Resonant Activation and Noise Enhanced Stability in Josephson junctions

Risultato della ricerca: Otherpeer review

Abstract

We investigate the interplay of two noise-induced effects on the temporal characteristics of short overdamped Josephson junctions in the presence of a periodic driving. We find that: (i) the mean life time of superconductive state has a minimum as a function of driving frequency, and near the minimum it actually does not depend on the noise intensity (resonant activation phenomenon); (ii) the noise enhanced stability phenomenon increases the switching time from superconductive to the resistive state. As a consequence there is a suitable frequency range of clock pulses, at which the noise has a minimal effect on pulse propagation in RSFQ electronic devices.
Lingua originaleEnglish
Pagine168-177
Numero di pagine10
Stato di pubblicazionePublished - 2005

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